From Zero to Viral: My Sci-Fi-Meets-Fantasy Video-Automation Challenge with n8n

Jun 22, 2025 | Posts

Our newest challenge: “Create something awesome around the theme science-fiction or fantasy.”

I couldn’t choose—so I combined both genres into one, then set myself three extra objectives:

  1. Master n8n by self-hosting it and tweaking real workflows.
  2. Test multiple AI video generators and learn how to squeeze the best output from their prompts & models.
  3. Figure out a monetisation path once the videos look good enough.

The result? A fully automated—okay, almost fully—pipeline that now powers my brand-new YouTube shorts channel Moonshot Mishaps TV.

I tried fantasy ASMR clips first then Hellraiser whispers but the unique twist came from retro-NASA fails. Short, slapstick loops.

Checkout the New Channel

https://www.youtube.com/@MoonshotMishapsTV

Quick-starting n8n Locally

Why self-host? Full control, no usage caps, and freedom to add custom nodes.

Copy git repository: https://github.com/n8n-io/n8n

Download workflow: https://www.skool.com/robonuggets-free

I wanted one-click convenience, so ChatGPT helped me write a Windows batch script that launches n8n either:

  1. Locally on localhost:5678, or
  2. With a secure public tunnel for webhook testing (uses localtunnel).

The Very Quick Quickstart (cloud or local)

Even on a self-host, I still walked through n8n’s official “Very Quick Quickstart” to refresh the basics:

  1. Sign up / open n8n.
  2. Import a workflow template straight from the library—no credentials needed.
  3. Run → Inspect → Add a node to see expressions in action.
    docs.n8n.io

Within ten minutes I was comfortable editing nodes, mapping JSON, and testing runs.

Battle-testing Video Generators

Generator Platform Audio? Cost* Verdict
Seedance fal.ai ❌ €0.008 / sec Cheapest, crisp visuals, but silent.

ASMR videos test with Sundance video ai

https://fal.ai/models/fal-ai/bytedance/seedance/v1/pro/image-to-video

https://fal.ai/models/fal-ai/mmaudio-v2

Hailuo fal.ai ❌ €0.012 / sec Handles motion well; still mute.
Veo 3 fal.ai ✅ €6 / 8 sec Great quality & sound, but pricey.

Testing Hellraiser videos: quotes from hell

Canva Video (Veo wrapped) Canva ✅ 5 free clips / month Good fallback, slower queue.

Two Veo 3 Work-arounds

  • Gemini Pro 3-a-Day Trickle
    • VPN via Mullvad set to the UK.
    • Create a Gemini Pro free trial → unlock 3 Veo 3 renders per day.

  • Canva Integration
    • Every Canva account includes 5 Veo renders monthly.
    • I used those to craft the Apollo bloopers that kicked off the channel.

Tip: For Seedance/Hailuo I splice in SFX later with Mmaudio2, but they still lack TTS—so narration waits for another node.

Hello YouTube: Moonshot Mishaps TV

 

 

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